Cost effectiveness of regionalization-further results for heart surgery.
D006348:Cardiac Surgical Procedures / Q000191:economics*; D003153:Community Health Services / Q000191:economics*; D003362:Cost-Benefit Analysis / Q000379:methods*; D004526:Efficiency; D006297:Health Services Accessibility; D006302:Health Services Research / Q000639:trends; D006752:Hospital Planning / Q000191:economics; D006801:Humans; D008962:Models, Theoretical; D012040:Regional Health Planning / Q000191:economics*; D014195:Travel